/*
 * Copyright (c) 2024 Alibaba Group Holding Ltd.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package com.alibaba.fluss.client.token;

import com.alibaba.fluss.client.utils.ClientRpcMessageUtils;
import com.alibaba.fluss.fs.token.ObtainedSecurityToken;
import com.alibaba.fluss.rpc.gateway.AdminReadOnlyGateway;
import com.alibaba.fluss.rpc.messages.GetFileSystemSecurityTokenRequest;

/** A default implementation of {@link SecurityTokenProvider} to get token from server. */
public class DefaultSecurityTokenProvider implements SecurityTokenProvider {

    private final AdminReadOnlyGateway adminReadOnlyGateway;

    public DefaultSecurityTokenProvider(AdminReadOnlyGateway adminReadOnlyGateway) {
        this.adminReadOnlyGateway = adminReadOnlyGateway;
    }

    @Override
    public ObtainedSecurityToken obtainSecurityToken() throws Exception {
        return adminReadOnlyGateway
                .getFileSystemSecurityToken(new GetFileSystemSecurityTokenRequest())
                .thenApply(ClientRpcMessageUtils::toSecurityToken)
                .get();
    }
}
